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                Mike的农场                </h1>
                <p>时间限制：10s&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;  空间限制：256MB</p>			</div>
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                                <h3>题目描述</h3><p><p>&nbsp;<span lang="EN-US">Mike</span><span style="font-family: 宋体;">有一个农场，这个农场</span><span lang="EN-US">n</span><span style="font-family: 宋体;">个牲畜围栏，现在他想在每个牲畜围栏中养一只动物，每只动物可以是牛或羊，并且每个牲畜围栏中的饲养条件都不同，其中第</span><span lang="EN-US">i</span><span style="font-family: 宋体;">个牲畜围栏中的动物长大后，每只牛可以卖</span><span lang="EN-US">a[i]</span><span style="font-family: 宋体;">元，每只羊可以卖</span><span lang="EN-US">b[i]</span><span style="font-family: 宋体;">元，为了防止牛羊之间相互影响，</span><span lang="EN-US">Mike</span><span style="font-family: 宋体;">找到了</span><span lang="EN-US">m</span><span style="font-family: 宋体;">条规律，每条规律给出一个三元组</span><span lang="EN-US">(i, j, k)</span><span style="font-family: 宋体;">表示如果第</span><span lang="EN-US">i</span><span style="font-family: 宋体;">个围栏和第</span><span lang="EN-US">j</span><span style="font-family: 宋体;">个围栏养的是不同的动物，那么</span><span lang="EN-US">Mike</span><span style="font-family: 宋体;">就需要花费</span><span lang="EN-US">k</span><span style="font-family: 宋体;">的代价请人帮忙处理牛羊之间的影响。不过同时</span><span lang="EN-US">Mike</span><span style="font-family: 宋体;">也发现</span><span lang="EN-US">k</span><span style="font-family: 宋体;">条特殊的规则</span><span lang="EN-US">(S, a, b)</span><span style="font-family: 宋体;">，表示如果</span><span lang="EN-US">S</span><span style="font-family: 宋体;">中所有牲畜围栏中都养的是动物</span><span lang="EN-US">a</span><span style="font-family: 宋体;">，那么</span><span lang="EN-US">Mike</span><span style="font-family: 宋体;">可以获得</span><span lang="EN-US">b</span><span style="font-family: 宋体;">的额外收入。<span style="font-family:宋体;mso-ascii-font-family:Calibri;
mso-hansi-font-family:Calibri">现在</span><span lang="EN-US">Mike</span><span style="font-family:宋体;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri">想知道他该在哪些围栏中饲养什么动物才能使得总收益最大，为了简化问题，你只需要输出最大收益。</span><br />
</span></p>
<p class="MsoNormal"></p></p><hr/><h3>输入格式</h3><p><p><span style="font-family: 宋体;">第一行三个整数</span><span lang="EN-US">n</span><span style="font-family: 宋体;">、</span><span lang="EN-US">m</span><span style="font-family: 宋体;">、</span><span lang="EN-US">k</span><span style="font-family: 宋体;">，表示一共有</span><span lang="EN-US">n</span><span style="font-family: 宋体;">个围栏，</span><span lang="EN-US">m</span><span style="font-family: 宋体;">条规律，</span><span lang="EN-US">k</span><span style="font-family: 宋体;">条规则。</span></p>
<p class="MsoNormal"><span style="font-family: 宋体;">第二行有</span><span lang="EN-US">n</span><span style="font-family: 宋体;">个整数，表示</span><span lang="EN-US">a[i]</span><span style="font-family: 宋体;">。</span></p>
<p class="MsoNormal"><span style="font-family: 宋体;">第三行有</span><span lang="EN-US">n</span><span style="font-family: 宋体;">个整数，表示</span><span lang="EN-US">b[i]</span><span style="font-family: 宋体;">。</span></p>
<p class="MsoNormal"><span style="font-family: 宋体;">接下来</span><span lang="EN-US">m</span><span style="font-family: 宋体;">行，每行有三个整数</span><span lang="EN-US">(i, j, k)</span><span style="font-family: 宋体;">表示一条规则。</span></p>
<p class="MsoNormal"><span style="font-family: 宋体;">再接下来</span><span lang="EN-US">k</span><span style="font-family: 宋体;">行，每行一开始有三个整数</span><span lang="EN-US">t</span><span style="font-family: 宋体;">、</span><span lang="EN-US">a</span><span style="font-family: 宋体;">和</span><span lang="EN-US">b</span><span style="font-family: 宋体;">，表示一条规则</span><span lang="EN-US">(S, a, b)</span><span style="font-family: 宋体;">，其中</span><span lang="EN-US">S</span><span style="font-family: 宋体;">的大小为</span><span lang="EN-US">t</span><span style="font-family: 宋体;">，接下来</span></p>
<p class="MsoNormal"><span lang="EN-US">t</span><span style="font-family: 宋体;">个整数表示</span><span lang="EN-US">S</span><span style="font-family: 宋体;">中的元素（</span><span lang="EN-US">a</span><span style="font-family: 宋体;">为</span><span lang="EN-US">0</span><span style="font-family: 宋体;">表示全为牛，</span><span lang="EN-US">a</span><span style="font-family: 宋体;">为</span><span lang="EN-US">1</span><span style="font-family: 宋体;">表示全为羊）。</span></p>
<p class="MsoNormal"></p></p><hr/><h3>输出格式</h3><p><p><span style="font-family: 宋体;">输出一个整数</span><span lang="EN-US">ans</span><span style="font-family: 宋体;">，表示最大收益。<br />
</span></p>
<p class="MsoNormal"></p></p><hr/><h3>样例输入</h3><pre>4 2 1
1 2 3 1
2 3 1 2
1 2 3
1 3 2
2 0 100 1 2</pre><hr/><h3>样例输出</h3><pre>108</pre><hr/><h3>提示</h3><p><p>&nbsp;对于100的数据，n &lt;= 5000, m &lt;= 5000, k &lt;= 5000, a = 0 or 1。</p></p><hr/><h3>题目来源</h3><p>没有写明来源</p>
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